<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 准备好一个容器 -->
    <div id="test"></div>

    <!-- 先引入react核心库 -->
    <script src="./js/react.development.js"></script>
    <!-- 才能引入react-dom，用于支持react操作DOM -->
    <script src="./js/react-dom.development.js"></script>
    <!-- 引入babel，用于将jsx转为js -->
    <script src="./js/babel.min.js"></script>

    <script type="text/babel">  //此处一定要写babel
        // 1.创建虚拟DOM
        const VDOM = <h1> Hello,React </h1> //此处一定不要写引号，因为不是字符串而是虚拟dom
        // 2.渲染虚拟DOM到页面
        ReactDOM.render(VDOM,document.getElementById('test'))
     
    </script>
</body>
</html>